Use the "X-Ray" view in the hangar to study where ammo racks and crew members are located on common enemy tanks.

Use your commander's binoculars to spot enemies over ridges without exposing your turret.

Gaijin Entertainment does not issue "slaps on the wrist" for using prohibited software. Their enforcement includes:

Tell you the for specific tanks (like the Tiger or T-34)

Use the rangefinder tool and adjust your sight distance to hit targets at long range without guessing.